CVE-2022-25437 : Vulnerability Insights and Analysis
Discover the stack overflow vulnerability in Tenda AC9 v15.03.2.21, impacting its SetVirtualServerCfg function. Learn about the impact, technical details, affected systems, and mitigation steps for CVE-2022-25437.
A stack overflow vulnerability was discovered in Tenda AC9 v15.03.2.21, specifically in the SetVirtualServerCfg function when processing the list parameter.
Understanding CVE-2022-25437
This CVE details a stack overflow issue within the Tenda AC9 router firmware, potentially leading to exploitation by attackers.
What is CVE-2022-25437?
The CVE-2022-25437 vulnerability involves a stack overflow in the list parameter of the SetVirtualServerCfg function in Tenda AC9 v15.03.2.21.
The Impact of CVE-2022-25437
If exploited, this vulnerability could allow remote attackers to execute arbitrary code or cause a denial of service by crashing the router firmware.
Technical Details of CVE-2022-25437
This section outlines the technical aspects of the CVE, including the vulnerability description, affected systems and versions, and the exploitation mechanism.
Vulnerability Description
The vulnerability in Tenda AC9 v15.03.2.21 arises from improper handling of the list parameter within the SetVirtualServerCfg function, resulting in a stack overflow condition.
Affected Systems and Versions
Tenda AC9 router firmware version 15.03.2.21 is confirmed to be affected by this vulnerability.
Exploitation Mechanism
Attackers can potentially exploit this vulnerability by sending specially crafted requests containing a malicious payload to trigger the stack overflow.
Mitigation and Prevention
In response to CVE-2022-25437, it is crucial to take immediate steps to secure affected systems and implement long-term security practices including regular patching and updates.
Immediate Steps to Take
Users are advised to apply any security patches or updates provided by Tenda to mitigate the risk of exploitation.
Long-Term Security Practices
Ensuring secure coding practices, network segmentation, and regular security audits can help prevent similar vulnerabilities in the future.
Patching and Updates
Keep the Tenda AC9 router firmware up to date with the latest patches and security fixes to address the stack overflow vulnerability in CVE-2022-25437.